Sprinkler



lJune l7, 19.27

1,631,381 L. R. N ELSON 'y SPRINKLER Filed June 9,1924

.L RNsIs'an,

- Gum nu,

the present instance, h oweyer,y said bodyl ini This invention has 1referencer to llawn sprinklers.A More particularly, 1t pertains to' y''tliattypeof` device having singlerelatively `1largiadischargeopening inthe ltop'ofv aiholv I. 5l low;A sprinkler-body,l an'dof such aconstrue-' 1sV a stamping having .formed "nearone A,ends-f tionth'atwater' will bel made. .to takeiupja swirling spiral .motion and issueina spray *The objectof lmy inventionis to provide a` novel constructionthat can be easiypro# A duced atI a lowcost bymeans otmetal stampingsAwhereinthe described action canzbe f realized .and bywhich better'yresults 'can' be produced inthe action. of the cleviceQ,V i

d'erstood:7 the appended drawing'is furnished* V1wh erein-- f AFigure".1is a vertical section, fof myxim-vr .proved sprinkler taken through the'centen` ,thereofhl I igure 2 is Vaplan 4ofthe same; part ofthe-topibeing shown broken a'yi'fayl toshow ,ini teriorconstruction. Y'

25 ofy a .nut shown infthe'lirst-twotiguresl andl Figure llis aVtransverse section of the same. Online 4 4', lti-gureQQas seenatitsop'posite i l, vamwell aware of the actthat sprinklers thatv throwfrom any opening therein a: funnelshaped spray by 1an interiorfwhirlingaction of water are' not newA but, my *device is much more n simpleinconstructioin can be made linv lighter form, 'since I l am enabled toproduce it from stamped metal `it can be produced at a low cost and inoperationv better spraying and consequenusprinkling is possi-v ble.V Y f"The character 1 denotes-thebody of Vthe Vsprinkler as a whole. Itlcomprises or may have any suitable form so long as theres'ultsv to bedescribed herein can be attained... In

cludes an inwardly and downwardly dished ftop 2V and a sidewall ofcircular form,' in plan, or as-fseen kin vFigure 2." Centrally'ot'thetop. isa discharge openingl whichf f preferably'ot courseylies inaplane lying parallelto the base ofthe -body- .asit rests uponthe ground.Attached to the wall at the base thereof is an inwardly concave botltomsection I5 whose marginal edge is rolled over upon the marginal edgeofsaid wall .toY fori/n a water-'tight joint Aas atA 6.

A port-ion of the wall 3 at'S lisr preferably formed substantiallyperpendicularly to the upon itself which flange in assembling sprinkleris-abutted upon thednner. sidel 'the wallportion"73,Atli/efouterprojecti Y ofsaid nutV being," forcedvdownjuponf the?V f Islit` by vsevering the metal partiallycreating c Figureis an' elevationottheinner end 'point of"y rapid vproduction and accuracy idf" Any'usual gasket o rjp'acking-iingjl interposed between vthe'end'ofthekhoseffi yaware havey usually been made in the form f angle andconsequently quitefar romthe a vflange IOcreated byold'ing'the metalclosed b'yfa-'nfend IwallflQ which, 'howeve'lgf I provided with? asubstantiallyseini-circuly a tongue: or i dellector 14' most clearly.shown in" the last three figures of `tliedrawin form;

yet permitting freeflow ofthewaterfupon- 'y y the said deflector and`its entry into'jt'he'- bo'djy'f. l I j The -waternnderpressure'asitltlows ii'itor the body is naturally `deliectedlby `themeni- Aber 14: and caused to partake of a rotary moc' tion, followingthe wall 3, lnally.issuing` from the opening 4l in a spray in the formof an inverted cone; 4 1

Sprinklers of this type of which` I am of a heavy castingwhich is quitebullryfof i necessity, the metal` at the opening correr- V- 'i i' Y 'i'spending to 4 herein' being quite thick l'so that with-agiven diameterof opening'which must always beofa siZe.-small, enough'lto 4mainlllrl aproper pressure within the' body, 'Y the cone shapedwaterfdischargelsthrown i' l quitehigh and falls too close toithedevijce., to permit alarge area tobe sprinkled at one time@ Howevelginv forming thebodyof aStamping the walls of the opening 4farfe quite 1 i v thin bycomparison'and as a result the yspraying cone ofjwater is thrown at amuch 1lowervdevice and i therefore a much larger area can l i i j delectorbeingbentinwardly or tofwa rclgftlie- 'center of the bodyasfclearlyindicatedinf g Figure-2. While the nutand vitsniemberl 14 Vof thedischarge vopening and in consequence a given territory may besprinkledin shorter time. 'l The member 14E may be adjusted to suchposition that any desired bulk' of streaml may be admitted to the'bodyand Eherin-A coining stream maybe gaiiged to the area asr yfound bestsuited to the results desired. I l i. I may make useol an eyelet 16within the openings as shown in rFigure 1j which although I'appearing ofsome considerable thickness in the drawing can really be: quite @thin soasnot to defeat the advantages named with respect to a low angleotspraythrow. Should the 'body be inade of a `metal, suoli assteelforexainple, an eye of copper orfbrass whichisrelativelynon-corvrodiblemay be employed, the edges of the eye being made toenclose the bodyyand at said opening to protect it from corrosion.

Iclaiin:v i f i. i l. In combination with a sprinkler head Y#includingside and top walls and having a singleA central discharge'oriiice insaid top wall, a nut' secured in vtheside wall of the head, the aXis'of.whose bore is disposedV atl f right angles to the axis ot said orifice,both "aXesjlying in thesaine plane,fa wall at the Yinnerjend vof saidnut lying within the space of Said head and at right anglesto the axisof the boreo'f the nut, said wall being in-V tergral with said nut andarranged parallel I to tlieaxis of the discharge orilice, said vwallbeing slitted and a portion adjacent the slit being bent outwardly todeflect the stream passing through said slit at an angle to ythe bore ofthe nut toward the sides ot' L *the head.

2. rIn combination, a sprinkler head iiicluding top and sidewalls andhaving a single central discharge orilice in said top wall therebeinganvopening in the side wall,

body.

a niit in said opening the axis of whose bore lies in-'the saine planewith the axisk 'of the said o'rilice, said nut having acircuinl'e'rential iiangel adapted to,r seat upon* the innervsidev ofthe-wall at said opening,`

said nut` having a free end e'xteiidingoutward Vfrom `said liangeVoutside the wall fadaptedvto be spread and clamped u-poii the oppositeside oi the Vwall to enclose the metalr atr said opening between'vs'aidend and said tlaiige,' said vnut having` anz integral wallatl itsiiiiieiend substantially atfright angles to the axis of its boreextending into the sprinkler head and slitte'd `and a portion' adjacent.the `slit being vbent outwardlyl at anangle to deflect avviater streamat an anglek to the bore of thevniitrin passing.

through said slit, and toward the sides of said head. n i 3. Incombination with a A.sprinkler head 4including a top wall having acentral discharge Vorilice'andl a side. wall having an lone end,` onelat eachside of the said yside wallfadapt'ed to clamp said yvvall betweenthem,v said nut-,also having a wall Vat itsV other end lying within thebody in a plane at right angles to the bore offl'hesaid nut adapted toreceive a packing ring upon it,said wall inward from the portion re`ceiving said ring being partially severed to create a detlecting member,said member being extended into the body at an angle to the axis of thesaid bore adapted to direct a water st reain toward side walls of saidIntestiinony whereof I alix iny signature;

LEwnN n. manson.A

